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INRIX network conflation: use OSM? #9
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@chunhochow 's hypothesis is that OSM IDs were not available when the conflation script was first written. @joecastiglione suggests checking old INRIX shapefiles on Q:\ to verify. @sdrewc said there's no OSM IDs in the INRIX XD shapefiles at Q:\GIS\Transportation\Roads\INRIX\XD |
According to However, I just looked at Bacon St in Portola, and none of the INRIX XD IDs (from I think this is probably an email-INRIX-to-ask question, because if they can provide OSM IDs (which it seems like they at least use them internally during their map generation), or if they can point us to where to find these OSM way IDs, it will probably make our lives easier. |
The OSM way ID - INRIX XD Segment mappings can be found in OSMConflation under each MapRelease at https://map-data-downloader.inrix.com/ |
From Drew: We have conflated champ and OSM networks before (Q:\Model Research\TNC\Data\network_conflation). Although there are newer networks (both CHAMP and OSM) and Bhargav developed better conflation tools (see #8), so it would be better to build a new correspondence. A challenge is that the relationship is many-to-many, so we'd have to keep a correspondence file rather than a simple champ network attribute. Coincidentally, SFMTA just wrote to me about network issues they'd found using DPW's street centerline file (which we also use to give true-shape geometries to champ networks for display purposes) and were thinking about moving to OSM. I'm not sure exactly what their use cases are, but could be worth following up and possibly coordinating. |
Investigate using OSM road IDs to do conflation process. Would it be more robust?
Potential issues:
Part of #8
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